20119+3550 SEI 985AB

 
 
20h 11m 54.50s +35 50' 12.4" P.A. 17 sep 16.6 mag 10.80,10.90
 
 
Coord 2000
20119+3550
Discov num
SEI 985
Comp
AB
Coord arcsec 2000
20 11 54.50 +35 50 12.4
Date first
1896
Date last
2015
Obs
13
Pa first
18
Pa last
17
P.A. Now (θ)
17°
Sep first
16.9
Sep last
16.6
Sep. Now (ρ)
16.6"
Mag pri
10.80
Mag sec
10.90
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
-009
Sec motion ra
-004
Pri motion dec
-006
Sec motion dec
-006
Notes
rPM=0.462
Nature of this double is uncertain.
 
 
20119+3550 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20119+3550 SEI 985 AB 1896 2015 13 17 16.6 10.80 10.90 0.10 <===
Show 20119+3550 BKO 103 AC 1998 2015 8 92 8.1 10.80 14.00 3.20
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
17.4
Precise sep
16.568
Constellation
Cygnus
Gaia DR2
13161230848
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20119+3550 SEI 985 AB 2002 7 17 16.6 10.80 10.90 D 201154.50+355012.4
20119+3550 SEI 985 AB 2015 9 17 16.6 10.80 10.90 201154.50+355012.4

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